/Engine/Source/Editor/ViewportInteraction/Public/ViewportWorldInteraction.h
Changes the transform gizmo class that it will change to next refresh
void SetTransformGizmoClass ( const [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [ABaseTransformGizmo](API\Editor\ViewportInteraction\ABaseTransformGizmo) > & NewTransformGizmoClass )